The years wrinkle our skin, but lack of enthusiasm wrinkles our soul.
The body cannot be cured without regard for the soul.
A system of morality that is based on relative emotional values is a mere illusion, a thoroughly vulgar conception that has nothing sound in it and nothing true.
I know nothing but the certainty of my own ignorance.
If you want to be a good saddler, saddle the worst horse; for if you can tame one, you can tame all.
I only know that I know nothing